The Bar Fly Race Mini is our new, aluminum, “out-front” mount. Made for small and standard sized cycling computers, it includes 6 different computer heads to fit most popular brand computers. Clamp fits both 31.8mm and 35.0mm handlebars. It is compatible with Bar Fly RACE GoPro base (not included). You need 10mm of round handlebar on the left side of the stem to clamp on to. Handlebar clamp diameter is 35.0mm (newer ATB bars), and a 31.8mm shim is included to fit most bars. It is possible to stack additional shims (not included), to fit smaller diameter bars. MINI will not hold large sized computers (Garmin 1030 / Edge 1000, Wahoo Elemnt and similar sized units). The BFR MINI is compatible with the optional BFR GoPro base. Included in the Box: Bar Fly Race Mini mount with hardware, 6 Computer heads: Garmin, Wahoo, Bryton, Cateye, Mio, Polar and a shim for 31.8 handlebars. The aluminum out-front mount is compatible with the following computers: Garmin Edge Series 200, 500, 510, 520, Watches 910XT, 920XT, Wahoo Bolt, Pioneer SGX-CA600, Polar M450, M460, Bryton 100, 300, 310, 330, 530, 10 and One, Cateye Padrone GPS. Optional Accessories: Lezyne computer head - fits all Lezyne computers and Race GoPro - aluminum finned adapter for camera or light.